Poration of new jeksey



Dec. 6, 1927. 1,651,469

, W. T. B. ROBERTS FASTENING INSERTING MACHINE Filed Sept. 5, 1924Patented Dec. 6, 1927n UNITED STATES PATENT OFFICE.

WILLIAM THOMAS BUCKINGHAM ROBERTS, OF LEICESTER, ENGLAND, ASSIGNOR TUNITED SHOE MACHINERY COROBATION, OF EATELSON, NEW JERSEY, A COR-PORATION OF NEW JERSEY.

FASTENING-INSERTNG MACHINE.

Application filed September 3, 1924, Serial No. 735,612, and in GreetBritain September 18, 1923.

This invention relates to fastening forining and inserting machines andis herein shown, by way' of illustration, as embodied in a machine forsevering and inserting wire slugs in the bottoms ot boots and shoes ol'the type disclosed in United States Letters Patent No. 786,190, grantedMarch 28, 1905,

on application of Louis A. Casgrain.

Objects of the invention are to improve io generally machines of--thistype, to provide improved cutting mechanism for the wire, and so toorganize the wire feeiiling, the severing, and the severed-slugpresenting mechanism of such a machine as to prevent i5 injury to themachine in case of the projection oi any solid object, such as a slug ora piece oi a broken driver, from the throat of the machine during thereturn movement of the slug presenting mechanism. ln prior ifi machineseither of these events is apt to result in breakage of Jarts.

ln carrji'ing out these objects, it is found desirable to eliminate theusual movement of translation of the throat carrier to transfer thesevered slug beneath the driver, which change reduces vnot only thelikelihood of a Vpartialljvv expelled slug being retained by the throatas it moves from slug driving position to slug receiving position, butalso renders it easier to provide safety devices for preventing damageto the machine should the slug be retained.

One feature of the invention consists in a fastening shearing throatmovable to prei sent the fastening in insertingI position, andmeanscti-operating with said throat ligar feeding the fasteninglmaterial thereto arranged to `vield ont of the path ot' aprojectingt'as'tening or other object brought toward it iov the returnmovementof the throat.

Another feature of the invention consists in means for forming andinserting fastening-s. means for feeding fastening material to theforming and inserting means,

- and means for rendering the feeding means inoperaive in case theinserting means becomes obstructed, for example, by a fastening orbroken driver.

Still another feature of the invention consists in fastening receivingmeans having` fastening` shearing and presenting movements, andmechanism operating under comparatively high power for causingcomparatively slow relative movementof the dies during the severing`operation and operating under lower power to move one of the dies at ahigher speed during the transference of the fastening to insertingposition. As shown herein, two driving mechanisms are provided which mayoperate in conjunction to eltect the shearing of the fastening, and onlyone ot' which eli'eets the presenting movement. The fastening shearingand presenting movements are accomplished by rotation of the fasteningreceiving means in a single direction and means having a powerfulleverage is provided to effect or assist in overcoming the highresistance during the fastening severing movement, and means having lessleverage and a greater throw is provided to continue the movement underlessened resistance to preent the Severed fasteningin driving position.

Other features of the invention comprise novel means 'tor setting thedies accuratelj7 in position and novel construction of the dies tofacilitate adjustment and renewal.

These and other 'features of the invention will appear more fully fromthe following detailed description when read in connection .with theaccompanying drawings and will right in Fig. 1 and en in enlarged seele,of the movable shearing die; and.

Fig, 5 is e sectional view, on :i larger seule, of the Wire eheziringvdies sind their supporting mechanism shown in Fig. 1.

'In the illustrated form ot' the invention, the Wire feed mechanism ieSituated :it the left-hand side of the machine (viewing the machine fromthe ifront) and the Wire piesee from the Source of supply the top or"the machine t0 the seid eedingl mecheniem7 which comprises e Wire feedWheel 2 (Figi. l end 2) rotetnhly mounted on a horizontal sha/ft lextending,v .from 'iront to rear eilg the machine, and fined in nbracket bolted to the heed o' the machine. rlhe peripheral face of theiieed Wheei 2 hee iorned en it ratchet teeth which :ire engaged hy pevis i? 8 carried by en erm 1G pivotelljv n ouritcd on the ehe-it el.rllhe pnwe S, :ire held in engagement with the retehet teeth by springs12, 1Q, iified to the priv-Jl cui arm 10. The erin 10 oscilleted toretete the feed wheel by a linl; 11i conne-ted el; ite lower end to theerm 10 end et its upper end to oneerm 1G of e cam lever pivoted @t 18 onthe heed oi" the machine. fr secfnfA erin 2O o'i'f the lever eerries ncem roll. vi'hich held by e Spring in engagement with a cem 2G iixed onthe drii ehejt 2S of the machine. rlChe peril erin is p'e ,:ivelyopernted hy the cem 2G to ieed the wire and is returned hy the spring24;, Wire Jed ie varied hy verpin.` ol' the return inoven'ient :ine theeem lever 16, 2O hi which, ivnen the lever i spring, engages inedirietei .Y o mounted for convenient rete-.rien chine f eine.

rEhe ivire is held .egeinet Athe ed Wheel hy e presser roll vvhle ia'otiitehlj mounted hy a. pin on anerm 3G piveted :it 38 to theliifecliet C end ree teen wheel 2 hy i rod 112 having; nt its lewe;engaging the pin 35 oif the e'h :in open f; i

n upwardly throm r t shaft on Which the leed Wheel 2 1 ed. The springWasher 118 sented upper three ot tl threaded on to t fr Wire el carine;

n1". will (i :ind

reeieee T6 which is engaged lo); an inclined 'face formed on e springplunger 78 at right angles to the plunger 74;. lili the plunger israised so ier that the inclined faces hecome disengaged the plunger F41may he pulled down by a pin 8() extending lhreugh :i slot 82 in thehrecliet f5. 'lhe pin fl() prevents rotation oi" the plunger Tl and npin 84r- `preventie rotation oilI the springl iilringer 78. 'By rotatingthe eccentric shaft 68 the shearing die muy he adjusted vif-,ricelly :lhout the anis of the elm-ft (Si on which the :mii 58 is mountedw Theeccentric t dei nais formed on its flanges 8G, 86 (Fig. 3f) he twenWhich the end of the arm 58 is poeh tiened laterally, end there iesuiicient clearunee het-Ween the outer feces oi? the il: es :and thenner reces oi the hearings TQ (0, to elloir edjuetment o1 the erin enddie ietf erelly. To eliect `thiel adjustment the shirt' G8 ie move(axially 1between the h firing- 7() 72 Ain the bracket 3 and heid hydri-mv holt 9d Extending on the opposite eide oi the ene-.tt is; thesecond erm oi' the die carrying lever (Fie: 1) which, when the lever isturned in :i eoimter-clocliivie, direction about its pivot shaft at newill hereinafter he descriheh engeges e ecre v 94- t irerided throughthe erin 3@ 'and moves the roll 311; eine; irem the Wire ifeed Wheel i2,therehui,r releneingthe lWire und stopping' the feed. I

A second sheeriiig; die 98 4) is lined in e hlocl 100 held hy serene 99to the enlarged end 101 of a horizontal shaft 10Q extending' from frontto rear of the machine. 'ifhe Shaft is rotatably mounted in bushinglined in the freine. The hlocli 100 has fo med in it open Sided7` partcylindrical recess 104C in which the die 9G? 98 is clamped by a plete10F; having' inclined feces 108, 110 which engage the bloei; and die. Lscreviv 112 clamps the plete and block together and, h v loosening` thisscrew eui'liciently, the die may readily he removed. Each of the sheerdies is made in two parte, 52i 54 :ind 96, 98. rlhe part 52 hee formedin it a Wire receiving passage 1111- (Fig. 5) 'Wnich is te pered fromits Wire recei iisg' end toward its shearing endIn there heli gj et thisend oi' the die :i parallel poi-ion seine quarter of :in inch long.AThis conetructioi :illoivs the Wire to pues readily7 through the die.The part 52 has proieeting` from it :i pin 11G which enters saw-.slot115% in the erin 58 to prevent the part 'from rotating. The part 54(Fig. 3) against which the Wire ie eheiired is u reedil);v repluceihle3puri; c'vlindri :nl block. The part 9G (Fig. e) in the block 100, whichei'i'cctsvthe shearing` of the wird is :i oloelr eimiler in shape to thepart 51 und hes fixed in it e pin (Fig. 5) which en- :i `groove 122 inthe hlocl 100 to preifent the part 96 from rotating. rllhe part 98 hasforni-ed in it e groove or channel 1211 to re ceive the end of the, Wirewhich ie to he sheared oi to form the fastening. During each cycle ofthe machine the shai't 102l is oscillated through ninety degrees tocarry the die 96, 98 from a horizontal position in which it receives theend ot the wire to a vertical position in which the slug is driven intothe work, and during this movement the wire is sheared, the die beingreturned to its horizontal position at'ter the driving and atthe end otthe cycle. When .in its vertical position, the slug containing passageot' the die 96, 98 is in alinement with a driver 125 (Fig. constructedand operated in the usual manner. To prevent the severed tastening fromfalling out of the passage 12e when the block 100 is rotated to carrythe fastening from shearing position to inserting position, the part 98has in it a ball 126 which projects slightly into the passage 124. Aspring 128 holds the ball in engagement with the severed fastener'. Thepassage in the shearing die 96, 98 is, when the die is in its horizontalposition. in line with the passage in the die 52, 54, so that the wirefed through this die enters the passage in the second die. The opposedend faces otl the dies are at this time close together and as the die96, 98 is moved to its vertical. posi tion the end ot' the wire issheared ott to form the slug.

To enable the operator readily1 and accurately to set the shearing diesin the lever and block 100, the lever 58, 60 (Fig. 1) may be removedfrom its operative position and fulcrumed on a pin 130 iixed in thebracket 6 with its tace, which normally rests on the eccentric 66,supported by a stud 132 projecting from a block 1811 fixed on thebracket 6. The end of the lever 60, in which is the shearing die, isthus positioned adjacent to a gage tace 136 formed on the block 134.which tace is so arranged that if the die is adjusted in the lever untilits outer end engages this tace and ris clamped in the lever, it will becorrectly positioned in the machine when the lever is returned to itsoperative position. turned to its operative position, the die 96, 98 inthe block 100 may then be set up to the die in the lever and clamped inposition. The die 96, 98 will then, when rotated to piesent the slug indriving position. have proper clearing relation to an abutment 12Tagainst which the work is presented. To enable the lever 58. 60 to bereadily witlnlrawn, the mit 50 is slackened and the rod 42 removed tromthe open slot in the shaft et; this allows the arm 86 to swingdownwardly out ot the wav. rThe sha't't 61 is then withdrawn and thelever removed. To enable the shaft 61 to be withdrawn it is providedwith a knurled head 138 (Fig, 2) and is held in position b v a springplunger 110 in the bracket 6 which engages a groove 142 on the shaft 64.

Should a slug be not fully driven in the )When the lever is reA work andits upper end project into the shearing die 96, 98, this die Will, insome cases, during its return movement, pull out the slug and carry itback with it. )Vlien this happens the slug` will engage the shearing die52, 54 or arm 58 and will aise that die and arm against the action otthe spring plunger i8 and will cause the arm 60 of the lever 58, 60 toengage the adjusting screw 9st on the arm 36 and lower the presser rollil away trom the Wire 'feed Wheel 2. Dan1- age to the mechanism is thusprevented and it' the machine is again started the wire t'eed is cut outuntil the slug is removed. Ot' course, any solid material, such as apiece of broken driver, or slug material, or any other obstructionprojecting vtrom either die, will produce a like result.

Fixed on the shaft 102 (Fig. 1) is an arm 146 to which is pivotallyconnected at 14'( the lower end of a link 148 the upper end oi whichencircles an eccentric 150 on ahorizontal sli-att 152 rotatably mountedin bearings on the rianne above and parallel to the shaft 102. lilxed onthe. shaft 152 at each side ot' the eccentric 150 are two pinions 1511which mesh with gear segments 156 formed on a can] lever 158 pivoted at159 to the trame. The cam lever 158 has a cam roll 160 which enters acam groove 162 formed in a. cam 16-1 tixed on the main shaft 28 ot' themachine. By this mechanism the shaft 102 is moved through ninety degreesto shear the wire and carry the severed slug to driving position, andsince Vit is important that the die shall be accurately located both inits horizontal position, in which it receives the wire, and in itsvertical position, in which the driver passes through the passage in thedie to drive the slug. the. mechanism is so arranged that the center'166 ot the eccentric 150, the axis ot' the shaft 152 on which it istixed and the pivotal point 11i' o't the lower end of the eccentric link148 and arm 146 are substantially in line at each'limiting posi tion otthe die 96, 98. By this means any slackness between the teeth ot thesegments` and pinions has very little, it' any, eii'ect upon theposition ot' the die.

To relieve the teeth ot' the segments and gears ot strain during th-eshearing of the wire, a cam lever 170 is rotatably mounted on the diecarryingY sha't't 102 and this cani lever has a roll 172 which enters acam `groove '1174. formed on a cam tixed on the main sha'tt 28 oit themachine. 'lhe cani lever 170 has formed on it a lug 178 which, duringthe shearing action, engages a lug 180 tormed on the arm 146 which, asstated, is lixed on the die shaft 10;?. The cam tracks 162, 174- are soformed that duringthe shearingthe die sha't't 102 is driven bv both camsbut the strain due to the, shearing is taken h v the second cam lever170 through the engaging faces of the lugs 178` 180, and after i ao iti

git)

Comprising dies having' relative movement to shear ott and present a'tastening, and tu'o die propelling' mechanisms arranged to operate inconjunction to etlect said relative movement to shear oit' the'tastening and one onlv ot said mechanisms continuing' said movement topresent the tastenine' in driv ing' position.

lil. In a machine Ytor 'Forming and Vinsert i ing' 'fastening'.s, thecombination o t fastening` receiving' dies. one die having' fastening;shearing and presenting; movements, operating means having' longleven-ige and a short throw tor etlectina' initial movement ot themovable die to sever the i'af-ttening, and means having' short leverageand a loi'iger throw tor effecting the tinal movement ot the die topresent, the fastening in position to be driven.

15. ln a fastening' 'termine' and inserting' machine. the combination otfastening' in sorting' means, a rehitivelv lifted die. a die arrangedfor rotation to :fever a 'tastening' and bv continued movement in thesaine direction to present the l'astening' in driving' position, andtivo die rotating' mechanisms operatingr in conjunction to etiect thetasten- `ing' severing' movement oi: the rotatable die, one otl saidmechanisms operating' to con-A tinue rotation ot the die to present, the't'astening in driving position.

16. 1n a machine for 'termina' and inserting `tastenings, thecombination of tastening receiving means having' fastening' shearine;and presenting;I movements, operating' means havino long leverage and ashort throiv tor etiecting' the shearing' movement, and means having'short leverage and a longer throw tor e'ttecting' the presenting'movement.

'1i'. in a fastening' forming' and insert-ing; machine. the combinationot' fastening' receiving' means arranged tor rotation to sever a'tastening and bv continued movement in the same direction to presentthe 'fastening' in driving position. and t\vo driving' mechanismsoperating in conjunction to effect the initial movement o't therotatable moans, one ot said mechanisms operating to continue movementot the rotatable means to present the fastening' in driving position.

18. 1n a slugging' machine. co-operating dies one ot which is movableinitially to sever a slug and finali)7 to trans-ter the slug to drivingposition. and tvvo operating mechanisms for said movable die, one adapted to etiect the initial movement ot the die and the other to effect thetinal movement.

19. In a slugging machine, co-operating,r dies relatively movable toshear oft the slug material, each die comprising' a portion having' agroove 'for the slug' material and a portion having a flat face coveringthe groove, the dies being oppositelv disposed so that upon relativemovement shearing of the slug cal in 'l'orm and split longitudinally ina plane at one side of its` axis, the larger part having' a groove t'orthe slug' material.

22. ln a slugging' machine. a cylindrical die. a die holder havincr arecess embracing more than halt the circum't'erence of the die, and aclamp arranged'to engage a surface ot' the die not in the holder.

2?. ln a slugging' machine. a tixed stud ou the machine` a die. a diecarrier having a hole to receive the stud, and a gage plate against;which the die is positioned to locate the die in the carrier inpredeterimned relation to said stud.

341. ln a slugging machine` a die carrier pivoted to the tramo a restfor the carrier,

a spring' plnnfrer 'tor holding the carrier against the rest, and meansfor adjusting the carrier in the direction o't action of the plunger.

Q5. ln a shle'e'ing' machine, a die, a die.

*mz-1 carrier. a iro-operating' die, said die carrier beine' pivoted tothe frame i'or adjustment relativeljv to the co-operating die, and means'tor adjusting' the die carrier comprising' a rotatable andlonejitudinall)7 movable eccentric sha'tt having' tiang'es to preventrelative movement ot the carrier and sha'tt longitudinallv ot the shaft.

2G. ln a slugging' machine, a` die, a die carrier arranged for rotationto move the die 'trom a horizontal slug receiving' position lo avertical slug driving' position, an arm on the carrier. an eccentricstrap pivoted to the arm. an eccentric. and a pinion connected to theeccentric, said parts being' so constructed and arranged that in thelimiting position ot' the die the center ot the eccentric, the axis otthe pinion and the pivot of the arm are in alinement.

27. A 'fastening inserting machine having means arranged to feed a stripof fastening material toward fastening' inserting' location, a 'die pastwhich 'fastening material is fed bv the feeding' means, a second diearranged to receive a fastening length of the fastening' material as itis ted past the first die` means arranged to hold the tirst diestationar v during normal operation of the machine constructed to permitthat die to vield it hit bv an obstruction projectingY from the seconddie, and means arranged to rotate the second 'die to cause the dies tosever a fasten ina from the fastening' stock and to cause the second dieto carry the fastening` thus severed into the line of drive.

Inf)

lll)

l'lO

machine 11m/'ing n shaft means 'For roang said Shaft a die Carried bythe Shaft having n, 'fastening Vecevng, passage arranged to be rota-tedfrom fastening receiving 'o dlvng position by rotation of the shaff, uSecond. die having :L fastening material receiving' passage in alnenlentWh the passage oil the fusi; die when the latter is in fasteningleceivng poel- A fastening insertinf" tion, means 'fer feeding n stripof 'fasning 10 mn'en L0 15h@ dires, auf?. @unneeons 'from one of mi@(Hes m said 'feeding means arranged w render said l''eedng! menneinnpernve if un mbsf: Hedon projects fi'ern one of the dies.

fn ucs-nxony whelfenf have signed my 15 mun@ m this specijcntion.

